EP 4033128 A1 20220727 - BUTTERFLY VALVE ASSEMBLY
Title (en)
BUTTERFLY VALVE ASSEMBLY
Title (de)
KLAPPENVENTILANORDNUNG
Title (fr)
ENSEMBLE ROBINET À PAPILLON
Publication
Application
Priority
EP 21152975 A 20210122
Abstract (en)
A butterfly valve assembly 100 comprising: a butterfly element 110 configured to control fluid flow through a main conduit 102; and a butterfly controller 120 configured to control the butterfly element 110, comprising a first chamber 122 for receiving fluid at a first pressure, a second chamber 124 for receiving fluid at a second pressure, and an actuator responsive to the first pressure and the second pressure; and a relief valve 130 arranged to regulate the first pressure in the first chamber 122 within a predetermined pressure range, wherein the relief valve comprises an adjustment mechanism 132 for adjusting the predetermined pressure range. The butterfly valve assembly 100 may comprise a manual override 200 operable to lock the butterfly element 110 in a fully open position or a fully closed position.
IPC 8 full level
F16K 1/22 (2006.01); F16K 31/122 (2006.01); F16K 31/143 (2006.01); F16K 31/50 (2006.01); F16K 35/04 (2006.01)
CPC (source: EP US)
F16K 1/22 (2013.01 - EP); F16K 1/221 (2013.01 - EP US); F16K 17/048 (2013.01 - US); F16K 17/10 (2013.01 - US); F16K 31/122 (2013.01 - EP); F16K 31/1221 (2013.01 - EP); F16K 31/143 (2013.01 - EP); F16K 31/502 (2013.01 - EP); F16K 35/04 (2013.01 - EP)
Citation (search report)
- [XYI] EP 2813688 A2 20141217 - HAMILTON SUNDSTRAND CORP [US]
- [Y] JP S5116224 U 19760205
- [Y] US 2013283762 A1 20131031 - SIMPSON ANDREW DAVID [US], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 4033128 A1 20220727; BR 102021024689 A2 20220802; CA 3140683 A1 20220722; EP 4279771 A1 20231122; US 11898647 B2 20240213; US 2022235876 A1 20220728; US 2023407982 A1 20231221
DOCDB simple family (application)
EP 21152975 A 20210122; BR 102021024689 A 20211207; CA 3140683 A 20211129; EP 23188193 A 20210122; US 202217575818 A 20220114; US 202318363246 A 20230801